AS55990 121.36.152.0/21 CIDR and IP Range Summary.ASN: 55990 - HWCSNET Huawei Cloud Service data centerHost Count: 2046Addressable IPs: 2048121.36.152.0/24121.36.153.0/24121.36.154.0/24121.36.155.0/24121.36.156.0/24121.36.157.0/24121.36.158.0/24121.36.159.0/24